简述房水的循环途径?
房水由睫状体产生,进入后房,越过瞳孔到达前房,再从前房的小网进入Schlcmn管,然后通过集液管和房水静脉,汇入巩膜表面的睫状前静脉,回流到血循环。另有少部分从房角的睫状带、经由葡萄膜巩膜途径引流(约占10%~20%)和通过虹膜表面隐窝吸收(约占5%)。(即:睫状体→后房→瞳孔→前房→小梁网→Schlemm管→集液管→房水静脉→睫状前静脉→脉络膜上腔。)
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧